Cisco :: SG200-08 Setting Up Multiple Subnets
Aug 26, 2011
I am setting up my home lab to practice and play around.I have VMWARE ESXi environment with two workstations as my servers.I would like to setup two domains with two domain controllers but i want each domain to have its own subnet.So this is my setup. I have Cable modem from cablevision , thay connects to my router which is Apple Airport which acts as the DHCP server. DNS server and default gateway. The network on the router is 10.0.1.xThen i have two switches . One is a 5 port unmanaged switch that connects to the three physical desktops .Then i have a Cisco small business switch SG200-08 that connects to my ESX servers and NAS. Now currently all is good and working but like i said all my machines physical or virtual get an IP that is 10.0.1.x and they get all this from the router. And i think i can setup two domains with two domain controllers without an issue and they will all get an IP address of 10.0.1.x. This is all good but i want to have one domain on one subnet and other on another so for example one domain will have 10.0.1.x and other 10.0.2.x. I am just not sure what i need to to get this setup like this. I know my SG200-08 supports vlans and i am pretty sure on the apple router you can only have one subnet i think. So can i do this with my current setup by setting up a DHCP server with two scopes ?
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Mar 21, 2012
I have two separate companys both with staff at two locations and thier own networks connected with a wireless antenna which provides a high speed LAN connection between offices. I only have a single path through this antenna bridge. I have an SG200-08 switch at each end. What I am attempting to do is utlise the switches to take the two subnets at one office, combine them to one for transfer through the antenna bridge, and then resolve them into the two separate networks again at the other end.
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Mar 2, 2012
I've currently got my ASA (5505) serving a /28 public subnet. I've ran out of IPs, so my DC has issued me an additional /24 subnet that they have routed to my ASA. What needs to be done on my ASA so be able to use these new addresses? I've been trying to search and not been able to find a good answer (some say I shouldn't have to do anything, everything else references NATing, which I currently don't do and would rather not do).The servers I assign these to, I'd like them to have the public ip assigned directly to them.
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Mar 26, 2013
I have an ASA5510 that is connected to outside for WAN, inside for LAN (10.22.254.0/24), and a iSCSI switch plugged into Ethernet 0/3 (10.22.244.0/24). I can ping the Eth0/3 interface (10.22.244.1) but I can't ping across that interface from WAN or LAN side.
START CONFIGURATION
ASA Version 9.1(1)
!
hostname ASA5510
[Code].....
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Jun 23, 2011
NAT command on 8.4? I am trying to PAT multipule Inside subnets to an IP address. With the example I found I can only PAT one subnet. If I do it the way I have below, it will end up with the last subnet (3.3.3.0) stay in the config. What is the best way of doing it? I have about 20 inside subnets I need to PAT.
object network obj-Inside-sub1
subnet 1.1.1.0 255.255.255.0subnet 2.2.2.0 255.255.0.0subnet 3.3.3.0 255.255.0.0nat (inside,outside) dynamic 199.246.5.2
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Jan 22, 2013
Here's what I want to do with my RV042: I have a bunch of devices, including a server, inside my network at 192.168.1.100
I've set up VPN using PPTP. It works, but if my clients have their own remote DHCP set up to 192.168.1.x, they can't get to the server. If their home DHCP is 10.x.x.x., everything works
I am considering changing my internal network to something obscure.
My server has two NICs. So I thought, I why not set one address up to 10.x.x.x But the two nets can't ping each other. I tried using "multiple subnet" on the RV042, setting up 10.1.1.1, but no luck.
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Jan 24, 2013
I have a Windows 7 Pro Desktop with an on-board Ethernet and an Axis USB To Ethernet adapter. The on board Ethernet is configured as dhcp and obtain the address 10.162.146.123 with 255.255.255.0 subnet. The Axis USB to Ethernet adapter is static ip configuration with 10.38.25.37 and 255.0.0.0 as subnet. Under the adv settings I have also another ip 11.38.25.37 with 255.0.0.0 subnet. When the Axis is communicating 10.38.0.1 network I can not access the internet using the on board Ethernet 10.162.146.123. I have to disable either one of the cards to access one network at a time.
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Aug 5, 2011
We have 4 RV 042 routers and cisco router at HQ, we have Site to Site VPN tunnels in between, All branch offices are connected to HQ via S2S VPN tunnels
10.10.1.0/ 24 HQ
10.10.2.0/24 Branch 1
10.10.3.0/24 Branch 2
10.10.4.0/24 Branch 3
10.10.5.0/24 Branch 4
now lets say i am branch 1, i can access 10.10.1.0/24 network but cant access 10.10.5.0/24 network, means i dont have branch to branch connection, it should be through HQ, means my RV042 at brnach should fwd all traffic to HQ for another branches also. Under VPN tunnel if i try to configure remote destination 10.10.0.0/21 its not allowing me it says network overlaping with local network, how i can sole it, I know how to do in cisco, we can permit those networks in access lists.
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May 23, 2011
I have an existing pair of PIX 515E that has two interfaces. One connected to the public internet via my ISP and one internal.
I recently ran out of IP's and had the ISP route an additional block to public IP of my firewall. This isn't working for some reason and I'm trying to figure out why.
The "ip address outside XXX" command defines the outside address and I don't see any way to add a secondary sub net.
I tried just adding a rule to the firewall for one of the IP's in the new subnet, but I can't seem to get traffic to pass though the device.
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Feb 20, 2012
Is it possible to have multiple public IP addresses that are from different subnets going through one router? I have been told that this is not possible with most routers and that I would have to spend a lot of money on a router to be able to do it. I am still not totally clear on what defines a subnet even after reading up on them. What I am trying to achieve:
-My office has 10 computers.
-All would be connected to one router.
-My internet service provider has provided me with 10 public IP addresses, that are all very varied (which I asked for)
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Jul 6, 2012
I was configuring link aggregation between a Cisco3750 and Cisco SG200 and the switched network went down just a few minutes after the port channel came on.I rebooted the SG200 and all hosts came back up for a minute before I lost them again. The etherchannel was between two trunking ports. I never set link aggregation on the SG200, could that be the reason? All machines are connected to the SG200. The 3750 is only being used as a layer 3 device for inter vlan traffic.
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Aug 16, 2011
We have Point to point T1 environment where 3 additional WAN sites get internet access through our RV042. When we setup load balancing we have problems with https traffic, so we setup protocol binding for https and everything worked great from the local LAN. When trying to access https content from the remote LAN across the WAN the sites failed and I see no option to add additional subnets to the protocol binding. Is there a command line feature that supports adding additional subnets for protocol binding or is the local LAN the only option?
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Nov 17, 2011
The ASA device is going to be the gateway for multiple distinct inside IP subnets. We can have have a unique outside IP address to correspond to each inside IP subnet if needed, but we need some means for a VPN client or a site-to-site VPN to have acess to a pre-definied IP subnet (i.e. if customer A establishes a VPN connection, they have connectivity to IP subnet X; customer B establishes a VPN connection, they have connectivity to IP subnet Y, etc.).Currently, the two inside IP subnets are 10.10.0.0/16 and 10.20.0.0/16. We will be adding more.The problem we are facing is that we cannot reach the VLAN 201 from the ASA we believe this is because. I have setup two addresses on port 0/1 Vlan1, 10.10.20.2 and 10.20.20.1 as an alias. How can we make traffic for the 10.10.0.0/16 subnet untagged and traffic for the 10.20.0.0/16 subnet tagged for VLAN 201.
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Jan 4, 2013
I have setup 15 x RV180W's so far for a particular client.They have requested that we add a Corporate Wireless VLAN for their laptop users (not guests) and add a Special Use WiFi VLAN for a particular mobile platform that is being deployed (in this case we need 2 separate WiFi VLANs to ensure compliance).Also, none of the VLANs can talk to eachother and they have their own subnets.I have the Wireless and VLANs setup, no problem... but I am having an issue wiht the VPN settings.I have the wired network's subnet working fine. But I do not know how to add the subnets for both Wireless VLANs to the traffic selection.The IP schemes will not allow me to just select a large subnet... here are some examples:
Wired VLAN: 10.10.x.y
Corporate WiFi VLAN: 10.15.x.y
Special WiFi VLAN: 10.18.x.y
x is the octet that defines the physical unit location (unit 1 = .23, unit 2 = .24, etc...) y is the octet the host.Since they are not in a contiguous block, I cannot just use a larger subnet mask.I can add multiple traffic selection rules to the ASA5515 at HQ, so that side of the tunnel is perfect... I just don't know how to add the three VLANs to the RV180. Is it as simple as using commas or semicolons?
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Jan 5, 2012
I am new to Cisco products. We have currently got a Netgear FVX538 running in front of a few servers. We currently have 2 ranges of IP addresses provided to us on 2 separate subnets. We configured the netgear box with the first IP addresses of each subnet as the IP address of each of the primary and secondary LANs. This then allowed us to set the gateway addresses of servers on the network to either of those 2 addresses, depending on it's range.
This all worked fine - except for the fact that the Netgear box is incredibly flakey, so we decided to get a Cisco box.
We have gone for the SA520, which I have been trying to configure this afternoon. Unfortunately I am now having concerns as to whether it is possible to configure 2 separate subnets internally on this box in the same way we have done with the netgear box. ie - classical routing, one incoming WAN interface with multiple subnets?
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Jun 29, 2012
I have a Cisco 2901 with the 4port gigabit ethernet switch module that I'm trying to get configured to have a seperate subnet for each port. So far I have it set up so each subnet is a vlan, then on each port I use the switchport access vlan command to tell it which subnet I want that port to be on. However, there is one port that I need to have 2 subnets on. The way I found to do that was to use switchport trunking on that port, but it doesn't seem to be working properly. how they would configure this? Right now I have vlan 101 as x.x.x.17/28 and vlan 103 as x.x.x.53/30. I think where I'm getting hung up is the proper association between the physical port and the vlan subnets.
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Dec 20, 2010
We have a 6509 that was connected to 2 other locations(location A and B) and our local lan (location MAIN). We wanted to move the location A and B to a 3750 switch and only allow the traffic that needed to access our location MAIN to come through the firewall. The only problem I ran into is that before location A and B were on different interfaces so in the 6509 firewall the routes for traffic to our MAIN location was done by static routes.
I.E.
static (MAIN_intf,A_intf) 192.1.1.72 10.94.10.72 netmask 255.255.255.255 0 0
static (MAIN_intf,B_intf) 192.2.2.72 10.94.10.72 netmask 255.255.255.255 0 0
[Code]....
because it has a static overlap, which makes sense to me, but my question is how do I configure the network to get this to work? Do I have to reconfigure my network and access-list? Do I need to add more ports between the 6509 and 3750? I'm not sure if this is the best way to do what we want. If something is not clear I'll try my best to explain the setup, but I just took over for our I.T. guy when he left.
I put 10.10.10.72 instead I should have put 10.94.10.72. the routed port is on a different subnet than the computer I'm trying to access.
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Sep 16, 2012
I have an ASA which is managing internet access from mutiple VLANs configured on a 3560 switch. I want to be able to limit the 100MB internet connection on the ASA on a per subnet (VLAN) basis for the multiple subnets configured on the switch..
so for example
VLAN10 - 10.0.10.0 - limit to 5MB
VLAN20 - 10.0.20.0 - limit to 10MB
VLAN30 - 10.0.30.0 - limit to 3MB
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Nov 27, 2011
We have RV 042 deployed for internet access/firewall purposes. Due to growing number for Wireless devices and also to separate WLAN traffic from wired devices, we have created a separate VLAN/IP Subnet for the wifi devices. We are having trouble accessing the internet from the WiFi VLAN/IP Subnet. Cisco 3750 is layer 2 and layer 3 device. We have VLAN 1 (10.10.10.0/255.255.255.0), all wired devices and RV 042 are part of VLAN 1. Connectivity to internet from VLAN 1 is good. VLAN 2 (192.168.1.0 / 255.255.255.0) was created for wifi devices, 3750 does the inter-vlan routing, I have enabled the multiple subnet feature on the RV 042 and added 192.168.1.2 / 24 to the subnet list, we still have issues accessing internet from vlan 2 devices.
As a workaround, I shutdown vlan 2 and added 192.168.1.0/24 as secondary address to the VLAN 1 interface on 3750 and i was able to access internet from 192.168.1.0/24 network with wifi devices also on vlan 1, we want wifi devices to be on separate vlan / ip subnet. Looking at the documentation for RV series routers, it talks about supporting multiple subnets access to internet by enabling multiple subnet feature but it doesn't seem to work.Are there restrictions on having multiple vlans?
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Jun 12, 2013
I have 2 sub nets within my office: 172.16.1.0/24 and 172.16.2.0/24. All devices on each subnet are wired independently from each other into the server closet. Previously each sub net had it's own switch in the closet to connect to that sub nets servers. We are replacing the 2 switches with a single Dell 2816 managed switch.
Is there a benefit to setting up the switch with 2 VLANs over just letting everything pass through the switch in un managed mode?
My only security concern is this: 1 sub net has access to the internet while the other does not. Does setting up 2 VLANs provide additional security by preventing 1 subnet from accessing the other? In other words, if a computer with internet access gets hacked will it being on one side of a VLAN prevent the hacker from accessing the other subnet?
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Feb 12, 2012
I have a Cisco SG200 26 Port Switch, 2 Cisco WAP4410N Access points, and a VLAN aware Router. I have created 4 VLAN's. For the sake of this conversation lets call them.
98 - Intel Vpro
99 - Management
100 - General
101 - Guest
The Access points are capable of doing V LAN tagging so I plan on having them tag a guest network as V LAN 101. That can get sent to the V LAN aware router and out. No problem. I have some devices, or management pages that I don't want accessible from the general network. (Intel V pro KVM, Remote Management Cards, AP Config Menus, Switch config menu...) . I need to be able to take a V LAN unaware device, plug it into port 1, and have it communicate with V LAN 98, 99 and 100.
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Mar 25, 2012
3750 can not support multiple subnets in it's DHCP server pool config.
Is this an issue that can be fixed with a different iOS or is there a different Cisco switch that I can replace the 3750 with that will handle multiple subnets within an individual pool?
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Feb 11, 2012
I have a pair of RV082 routers and I'd like to configure gateway to gateway VPN tunnel as described in a cookbook, "How to configure a VPN tunnel that routes all traffic to the Remote Gateway," (file name Small_business_router_tunnel_Branch_to_Main.doc). I followed this cookbook and found that my while the Main office has internet connectivity, the branch subnet doesn't have internet connectivity.
Routing does behave as advertised, where all traffic does go to the main office. However, the 192.168.1.0 subnet in the branch office does not get internet connectivity. I've read in other posts that the Main office router will only provide NAT for the local subnet, not the branch office subnet. Is there a way to configure the RV082 router to provide NAT for all subnets?
If not, which Cisco product will provide the VPN Tunnel connectivity as well as the NAT for all subnets? Can the RV082 be used as part of the final solution or are my RV082s a wasted expenditure?
Following is the configuration that I'd implemented, (real IP and IKE keys are bogus).
Gateway To Gateway
Remote Main Office
Add a New Tunnel
Tunnel No. 1 2
Tunnel Name : n1-2122012_n2-1282012 n1-2122012_n2-1282012
Interface : WAN1 WAN1
[code].....
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May 24, 2011
SG200-08 and SG200-08P fail to hold or update Date/Time.(New installation for a UC320 setup.)I've got both an SG200-08 and SG200-08P that are failing to maintain date/time when set with "Use Local Settings". Every restart/powercycle causes them to reset to Dec 31 1969. Other settings save fine.I first tried to set time via SNTP Unicast using a variety of public time server addresses including the 3 hard coded to the SG200-08 firmware:
Sadly though it always just shows "Active Server Server Host Address: 0.0.0.0" and continues having 12/31/1969 as the date. Both after a config save and a reboot.I can ping the NTP servers just fine from the switches either by IP or by hostname.At this point I've decided that I must be missing something simple. At least I hope so... otherwise it's a firmware bug which means waiting for a fix.Other devices behind the same firewall/gateway (RVS4000) are updating NTP
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Apr 29, 2012
how to connect our new SG200-18 to an existing Cisco network, in particular a C2960S.Here's what I've got:
<----- Rest of network ------- C2960S ----------- SG200 ----- (PC connected directly to the SG200)
On the C2960S-side here's what I've got on the corresponding interface:
interface GigabitEthernet1/0/1
switchport mode trunk
On the SG200-side I've set the IP-address and default-gateway accordingly, however:From the SG200 I can't ping any other host on the same IP-subnet as the switchFrom the SG200 can't ping the default-gatewaycan't ping from any other host or the default-gateway *to* the switch But:On the SG200 I've got plenty of MAC-addresses under "Dynamic Address Table" - however only MAC-addresses that belong to the management-VLAN of the SG200 (i.e. VLAN9 in my case)The MAC-address table on the SG200 even includes the MAC-addresses of hosts on the same VLAN I tried to ping without success. For example: I tried a PING from a host having a MAC-address of 00:19:bb:31:91:30. This MAC shows up in the arp table of the SG200. To cross check I connected a dedicated PC to the SG200 and assign it an IP-address out of the management-LAN-range of the SG200 - in this case I can access the switch (i.e. PING, WEB etc.)So to summarize: Connectivity is OK when going from directly connected devices to the SG200. No connectivity from devices that are behind the C2960S towards the SG200 and vice versa. (The problem is definitely not with the C2960S-side since we've got plenty of them hooked together without problems.) I'm enclosing the screenshots of the corresponding definitions on the SG200.
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Apr 16, 2013
I'm baffled by the poor performance that I'm seeing when passing traffic between my two Cisco SG switches.
The configuration is as basic as I can make it, no VLANs, QoS or bonding. Both have been updated to current firmware as part of the troubleshooting process.
When I transfer data within one of my switches I see 50/60Mb/s. When I pass the same traffic between both switches I see 0.6 Mbs/ or less.
I have tried to eliminate every possible factor including switching out the cables. No success.
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Feb 11, 2011
I am running AOL Desktop 9.1. When ever I start up it loads multiple home pages. How can I prevent this from happening?
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Dec 11, 2012
My friends and I want to set up a better Teamspeak 3 server but Don't want to spend the money to rent one. We currently have a friend who runs the server on his computer but it is unreliable. We are wondering if we could have multiple computers support one server. So that if one computer fails the server would still get supported by other computers that are supporting the server. Also what would be some recommended hardware stats to run this server.
So I'm asking, can we have multiple computers support a single Teamspeak 3 server?
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Aug 17, 2012
I need to have 7 individual ethernet outlets on my home network for rooms, living room etc. My router has 4 ports on it. What should I do to get the additional 3 outputs I need? Can I just plug a switch into my router for the additional ones I need? Or do I need a router with additional ports?
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May 28, 2011
I work in a medium sized business with 50~ employees. We recently decided to allow wireless access for employees, newer computers with internal wifi, and customers. Now, I'm savvy enough to know how to setup a wireless router without using the instructional CD and just accessing it directly via the IP, that's all fine and dandy. However, the range of one singular wireless router hardly covers 20% of the building.
1: The main network hubs are located in a maintenance room far off in the corner, so setting up a wireless device there was not beneficial. I attempted to set one up via an ethernet port in the middle of the building. This worked without issues, and connected fine, however- The wireless router now has it's own separate set of IPs instead of "being one with the main router/hub." Our default IPs are 192.168.15.***, while this wireless router has created a separate set of IPs with 192.168.1.***. This wouldn't be much of an issue were it not for the fact our server needs to be connected via RDP through some wireless devices. So we cannot type in the typical IP to connect to the server since it's no longer in the same network, this also eliminates printer access. The simple question to all this is if it is possible to have a wireless router connected via a port of the main router still believe it's the same network like hubs do, or does this require a separate wireless device I'm unaware of?
2: The second issue is partially relative to the first. Range. As mentioned, one wireless router is not enough to allow wireless in the entire building. Boosting the signal will still result in weak signals, so the better option would be, at my only knowledge in regards to routers: more wireless routers. So I purchased three wireless routers, however the signal is still spotty. So aside the issues in question #1 to sync all routers together, is there a different device I could purchase or a method to make wireless router's range extended over areas. Like say a wireless router emits a signal, at the weakest point, the signal is boosted in a radius, at the boosted signal's weakest point, it's reboosted with another device, etc. I'm simply unaware as to how this could be done, but figure it exists. As my boss stated: How could airports have multiple access points, they couldn't just purchase these routers over and over and hook them up everywhere like this.
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Aug 15, 2012
I need to NAT some subnets to one IP and other subnets to another IP. The range command want work because some of the subnets are out of order.For example subnets 192.168.1.0 - 192.168.7.0 and 192.168.25.0, 192.168.28.0 nat'd to 1.1.1.1. subnet 192.168.26.0-192.168.27.0 nat'd to 1.1.1.2
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Oct 8, 2011
I have 8 RVs4000's to built a test system with. On each side of the network is 2 servers, both with 2 NIC's. Both are on different /24 networks.
The idea is to simulate a WAN link, with the RVS4000's G1 & G2 running in "Gateway" mode to simulate the WAN. All other RVS4000's will be in Router mode ('R1,R2...etc..') All networks in /24 range. As I understand it, the RVS4000 CANNOT take 2 diverse networks on the LAN side: - ie 192.168.168.1 & 10.1.1.1 on the LAN side. The NIC's on the server only need to communicate to the similar type of addresses on the other side - 192.168.168.1 on server 1 to 192.168.170.2 on server 2, but NOT 192.168.168.1 to 10.1.2.1 on server 2. The G1 & G2 link is so that all communications are routed between this link - as a testing point.
So, my questions are this:
1) Will this work? Is there any easier way of doing this? (Bear in mind this is the only equipment i have to do this).
2) Is the static routing I have thought of work? (see below)
R1
0.0.0.0 0.0.0.0 10.1.1.10
R2
5.5.5.0 255.255.255.0 10.1.1.100
4.4.4.0 255.255.255.0 1.1.1.200
[code]....
I know using the RVS4000's inbuilt RIP may be easier, but I've never configured RIP routing. As this is a test environment, using static routing would be enough to get it going. No security lock down is required, all I'm trying to enable is for the servers to communicate with each other (NIC1 on both servers e.g 10.1.1.1 on server 1 to 10.1.2.1 on NIC 1server 2, and NI 2 on server 1 192.168.168.1 to NI 2 on server 2 192.168.170.1) The 10.1.x.x networks DO not need to talk to the 192.168.x.x networks. THe G1 & G2 link is just for testing - but all communications must pass through here and be routed to their relevant networks on the other side.
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Oct 14, 2011
I'm doing a college project and looking to triangulate a position where someone is standing in a building using information from at least three Wi-Fi access points. The building has computer labs that I can use. It also has just one Wi-fi signal. I want to know how I can turn one or two of the computers into a Wi-Fi access point that I can detect on my smartphone and differentiate it from the Wi-Fi signal that is currently in the building.Is there something that I can attach to a computer lab computer with possibly USB that will set up a Wi-Fi access point?or if I wanted, could I bring in a laptop and attach something to it in order to set up a Wi-Fi access point?In both situations, I want to use the Wi-Fi connection that is already in the building to create ' hotspots' that I can use so that I can get information from each.
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